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Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Orlistat TrialsBerne, 2005180
Fair
Mean (SD) at BL, Percent change at 12 mo BL 12 moWeight/Relative weight:BMI, kg/m2
IG 32.6 (3.1) NRCG 32.9 (3.0) NRWeight, kgIG 95.3 (12.6) -5.0**CG 95.7 (12.5) -1.8Weight loss ≥5%, nIG -- 51**CG -- 12Weight loss ≥10%, nIG -- 15*CG -- 3
Mean (SD)Central adiposity:Waist circumference, cmIG 108.0 (9.0) 103.0 (8.9)*CG 109.0 (9.3) 106.0 (9.1)
Overall adiposity: NR
** p<0.0001 for change in IG versus CG* p<0.005
IG n analyzed: 111CG n analyzed: 109
Mean (SD) at BL, Mean change (SD) at 12 mo BL 12 moLipids:Total cholesterol, mmol/LIG 5.5 (1.0) -0.24 (1.00)*CG 5.4 (1.1) 0.10 (1.11)HDL cholesterol, mmol/LIG 1.3 (0.3) -0.01 (0.17)*CG 1.2 (0.2) 0.07 (0.23)LDL cholesterol, mmol/LIG 3.1 (1.0) -0.08 (0.96)CG 3.0 (0.8) 0.01 (0.95)Triglycerides, mmol/LIG 2.6 (1.4) -0.12 (1.06)CG 2.8 (2.5) -0.04 (2.41)Blood pressure:Systolic blood pressure, mmHgIG 145.0 (18.2) -3.2CG 145.0 (16.1) -3.1Diastolic blood pressure, mmHgIG 84.5 (9.7) -2.4CG 84.3 (10.0) -1.9Glucose tolerance:Hemoglobin A1c, percentIG 7.6 (0.8) -1.1*CG 7.6 (0.8) -0.22Fasting glucose, mmol/LIG 11.2 (2.6) -1.9*CG 10.9 (2.5) -0.26* p<0.05 for IG versus CGIG n analyzed: 111; CG n analyzed: 109
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Broom, 2002181
UK Multimorbidity Study
Fair
Mean (SD) at BL, Mean change (SD) at 12 mo BL 12 moWeight/Relative weight:BMI, kg/m2
IG 37.1 (6.4) --CG 37.0 (6.2) --Weight, kgIG 100.9 (20.5) -5.8 (8.5)*CG 101.8 (19.8) -2.3 (6.4)
Central adiposity:Waist circumference, cmIG 107.8 (15.6) -5.99 (--)*CG 108.6 (16.4) -2.60 (--)
Overall adiposity: Body fat composition, bio-impedence method (BL only)
* p<0.0001 for difference between IG and CG change at 12 mo
IG n analyzed: 259CG n analyzed: 263
Mean (SD) at BL, Mean change (SD) at 12 mo BL 12 moLipids:Total cholesterol, mmol/LTotalIG 5.8 (1.1) -0.12 (--)****CG 5.7 (1.0) 0.16 (--)Patients with DyslipidemiaIG 6.10 (--) 0.2 (--) (calc)***CG 5.97 (--) 0.08 (--) (calc)HDL cholesterol, mmol/LTotalIG 1.4 (0.4) --CG 1.4 (0.3) --Patients with DyslipidemiaIG 1.38 (--) 0.03 (--) (calc)*CG 1.33 (--) 0.07 (--) (calc)LDL cholesterol, mmol/LTotalIG 3.8 (0.9) -0.30 (--)****CG 3.8 (0.9) -0.02 (--)Patients with DyslipidemiaIG 4.20 (--) -0.36 (--) (calc)***CG 4.06 (--) -0.01 (--) (calc)Triglycerides, mmol/LIG 1.8 (0.8) 0.44 (--)CG 1.9 (1.0) 0.17 (--)Blood pressure:Systolic blood pressure, mmHgIG 141.1 (15.0) -6.0 (--)**CG 139.2 (15.7) -2.3 (--)Diastolic blood pressure, mmHgTotalIG 89.0 (9.7) -5.5 (--)**CG 88.1 (10.1) -3.1 (--)Patients with HypertensionIG 95.5 (--) -10.2 (--) (calc)CG 95.7 (--) -7.2 (--) (calc)Glucose tolerance:OGTT score, mmol/LTotalIG 8.0 (2.4) -0.37 (--)*CG 8.1 (2.8) 0.09 (--)Patients with Impaired Glucose ToleranceIG 11.84 (--) -0.29 (--) (calc)CG 12.63 (--) -0.11 (--) (calc)Fasting glucoseIG -- -0.19 (--)*CG -- 0.06 (--)
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
(continued)Broom, 2002181
UK Multimorbidity StudyFair
**** p<0.0001 for difference between IG and CG change at 12 mo*** p<0.001** p<0.01* p<0.05
IG n analyzed: 259; CG n analyzed: 263Davidson, 1999182
Fair
Mean (says SD, but believe these are really SEs) at BL, Mean change (SE) at 12 mo -4 wk 12 moWeight/Relative weight:BMI, kg/m2
IG 36.2 (0.1) --CG 36.5 (0.9) --Weight, kgIG 100.7 (0.6) -8.76 (0.37)*CG 100.6 (0.9) -5.81 (0.67)% of subjects losing more than 5% of their initial body weight (calc n):IG 65.7† (432)CG 43.6 (97)Central adiposity: NROverall adiposity: NR* p<0.001 for least squares mean difference†p<0.01
IG n analyzed: 657 (assumed N ITT for 12 mo)CG n analyzed: 223 (assumed N ITT for 12 mo)
Lipids: FIGURE FORM only(IG greater reductions than CG, p<0.05 for LDL, Total Cholesterol)
Mean (SE) at BL, 12 mo -4 wk 12 moBlood pressure:Systolic Blood Pressure, mmHgIG 119.4 (0.5) 118.6 (0.6)*CG 118.6 (0.9) 119.6 (1.3)Diastolic Blood Pressure, mmHgIG 76.9 (0.4) 75.9 (0.4)**CG 76.1 (0.6) 77.4 (0.9)
* p=0.002 for lowering of SBP by 12 mo in IG versus CG** p=0.009 for lowering of DBP by 12 mo in IG versus CG
Glucose tolerance: NRFigure only (at 12 mo)IG lower than CG at 12 mo (appears p<0.05, but information in article contradictory)
Derosa, 2003183
Fair
Mean (SD) (assume SE at followup) BL 6 mo 12 moWeight/Relative weight:BMI, kg/m2
IG 32.0 (1.3) 30.9 (1.1) 29.0 (1.0)CG 31.7 (1.0) 30.4 (0.9) 29.6 (1.0)Mean (SD) at BL, Mean change (SD) at 6 and 12 moWeight, kgIG 94.2 (9.8) -5.1 (0.7) -8.6 (1.0)CG 95.3 (10.2) -4.2 (0.6) -7.6 (0.7)Other measures: NR
Central adiposity:Waist circumference, cmIG 100.8 (5.3) -1.9 (0.7) -3.0 (1.0)CG 102.3 (6.2) -1.6 (0.5) -2.4 (0.4)
Overall adiposity: NR
IG n analyzed: 27 (BL), 25 (6, 12 mo)CG n analyzed: 23
Mean (SD) BL 6 mo 12 moLipids:Total cholesterol, mg/dLIG 260 (20) 242 (24) 221 (23)*CG 265 (24) 244 (22) 233 (20)HDL cholesterol, mg/dLIG 43 (4.0) 43 (3.5) 44 (4.0)CG 41 (3.5) 42 (3.0) 42 (3.0)LDL cholesterol, mg/dLIG 195 (20) 179 (19) 158 (20)*CG 194 (22) 183 (20) 173 (19)Triglycerides, mg/dLIG 132 (32) 111 (18) 97 (19)CG 128 (25) 116 (18) 109 (20)Blood pressure:Systolic blood pressure, mmHgIG 131 (3) 129 (4) 125 (3)CG 132 (5) 130 (4) 128 (3)Diastolic blood pressure, mmHgIG 85 (4) 84 (4) 81 (2)CG 84 (3) 84 (3) 82 (2)Glucose tolerance: NR* p<0.05 for change in IG versus CGIG n analyzed: 25; CG n analyzed: 23
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Derosa, 2010215
Good
Mean (SD) BL 6 mo 12 moWeight/Relative weight:BMI, kg/m2
IG 33.1 (2.9) 31.6 (1.8) 29.8 (1.2)*CG 32.5 (2.3) 31.9 (2.0) 31.6 (1.8)Weight, kgIG 94.5 (9.6) 90.3 (8.4) 85.0 (5.9)*CG 91.7 (8.7) 91.0 (8.3) 89.1 (7.8)Other measures: NR
Central adiposity:Waist circumference, cmIG 102.0 (6.0) 99.0 (4.0) 95.0 (3.0)*CG 101.0 (5.5) 99.5 (4.5) 99.0 (4.0)Other measures: NR
Overall adiposity: NR
* p<0.05 versus CG
IG n analyzed: 126 (BL), 119 (6 mo), 113 (12 mo)CG n analyzed: 128 (BL), 125 (6 mo), 121 (12 mo)
Mean (SD)BL 6 mo 12 mo
Lipids:Total cholesterol, mg/dLIG 220 (24) 207 (15) 186 (9)*CG 217 (21) 205 (13) 212 (17)HDL cholesterol, mg/dLIG 45 (7) 46 (8) 46 (8)CG 46 (8) 46 (8) 45 (7)LDL cholesterol, mg/dLIG 153 (15) 144 (8) 126 (6)*CG 151 (13) 141 (7) 149 (11)Triglycerides, mg/dLIG 109 (48) 84 (30) 72 (25)CG 99 (41) 92 (37) 88 (32)Blood pressure: NRGlucose tolerance:Fasting plasma glucose, mg/dLIG 136 (16) 129 (13) 121 (11)CG 133 (15) 127 (13) 120 (10)Post-prandial plasma glucose, mg/dLIG 174 (24) 163 (17) 149 (13)CG 171 (20) 162 (17) 155 (15)HbA1c, percentIG 8.4 (1.4) 7.7 (0.9) 7.0 (0.5)CG 8.2 (1.3) 7.9 (1.1) 7.9 (0.9)* p<0.05 versus CGIG n analyzed: 126 (BL), 119 (6 mo), 113 (12 mo)CG n analyzed: 128 (BL), 125 (6 mo), 121 (12 mo)
Finer, 2000184
James, 1997290
Fair
Mean (SD) at BL, LSM change from baseline to 12 mo BL 12 moWeight/Relative weight:BMI, kg/m2
IG 36.8 (3.6) --CG 36.8 (3.7) --Weight, kgIG 97.9 (12.9) -3.29CG 98.4 (15.0) -1.31Weight loss ≥5%, percent (calc n):IG -- 35* (38)CG -- 21 (23)Weight loss ≥10%, percent, calc nIG -- 16* (18)CG -- 6 (6)Other measures: Average % loss of initial body weight, IG 2.0 kg (95% CI -3.6, -0.38) difference from CG for change in initial body weightCentral adiposity: Decrease in waist circumference stratified by baseline waist circumferenceOverall adiposity: NR* p<0.05 for IG difference in change from CGIG n analyzed: 110; CG n analyzed: 108Note: Also presents completer analysis
Mean (SD) at BL, Mean change (SD) at 12 mo BL 12 moLipids:Total cholesterol, mmol/LIG 5.22 (0.96) -0.05 (0.76)*CG 5.17 (0.92) 0.30 (0.68)HDL cholesterol, mmol/LIG 1.11 (0.26) 0.15 (0.23)CG 1.08 (0.25) 0.16 (0.21)LDL cholesterol, mmol/LIG 3.44 (0.82) -0.11 (0.63)*CG 3.46 (0.79) 0.21 (0.53)
Blood pressure: NR
Glucose tolerance: NR
* p<0.001 for IG difference from CG
IG n analyzed: 110CG n analyzed: 108
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Hanefeld, 2002187
Fair
Mean (SD) at BL, Mean change (NR but SD in table so may be SD) at 12 mo -4 wk 12 moWeight/Relative weight:BMI, kg/m2
IG 34.5 (5.6) --CG 33.7 (5.2) --Weight, kgIG 99.4 (17.5 ) -5.3 (5.1)*CG 98.4 (18.5) -3.4 (5.3)Weight loss ≥5%, percent (calc n)IG -- 51.3** (97)CG -- 31.6 (57)
Central adiposity:Waist circumference, cmIG 112.4 (12.5) -5.5 (5.3)***CG 112.0 (12.7) -3.0 (5.6)
Overall adiposity: NR
* p=0.006 for between-group difference** p=0.0001 for IG vs CG*** p<0.01
IG n analyzed: 189 (ITT, LOCF)CG n analyzed: 180 (ITT, LOCF)
Mean (SD) at BL, Percent change (NR) at 12 mo -4 wk 12 moLipids:Total cholesterol, mmol/LIG 5.8 (1.1) -2.3 (16.3)**CG 6.1 (1.4) 1.8 (22.0)HDL cholesterol, mmol/LIG 1.2 (0.3) 0.6 (20.0)CG 1.2 (0.3) 6.4 (24.5)**LDL cholesterol, mmol/LIG 3.5 (0.9) -2.0 (26.7)*CG 3.6 (1.0) 5.1 (34.3)
Mean (SD) at BL, Mean change (NR) at 12 moBlood pressure:Systolic blood pressure, mmHgIG 148.0 (20.4) -4.96 (--)CG 147.9 (17.8) -4.98 (--)Diastolic blood pressure, mmHgIG 87.0 (10.8) -4.78 (--)CG 87.2 (10.7) -4.80 (--)Glucose tolerance:Hemoglobin A1c, percent, mean decrease at 12 moIG 8.6 (1.1) -0.9 (1.3)***CG 8.6 (1.2) -0.4 (1.5)Fasting glucose, mmol/LIG 10.95 (2.93) -1.6 (2.5)****CG 10.95 (3.17) -0.7 (3.2)
* p<0.05 for between-group difference** p<0.01*** p=0.0003****p=0.004
IG n analyzed: 189 (ITT, LOCF)CG n analyzed: 180 (ITT, LOCF)
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Hauptman, 2000189
Fair
Mean (SE) at -4 weeks, Mean change (SE) at BL, 6, 12 mo -4 wk BL 6 mo 12 moWeight/Relative weight:BMI, kg/m2
IG1 35.8 (0.3) -- -- --IG2 36.0 (0.2) -- -- --CG 36.1 (0.3) -- -- --Weight, kgIG1 100.4 (1.00) -2.49 (0.14) -6.92 (0.64)* -7.08 (0.54)*IG2 100.5 (0.98) -2.54 (0.15) -8.0 (0.58)* -7.94 (0.57)*CG 101.8 (1.00) -2.73 (0.15) -4.70 (0.60) -4.14 (0.56)Weight loss ≥5%, percent (calc n)IG1 -- -- -- 48.8*IG2 -- -- -- 50.5* (106)CG -- -- -- 30.7 (65)Weight loss ≥10%, percent (calc n)IG1 -- -- -- 24.4*IG2 -- -- --
Mean (SE) -4 wk BL 12 moLipids:Total cholesterol, mmol/LIG1 5.35 (0.07) 5.02 (0.07) 4.96 (0.08)*IG2 5.39 (0.07) 4.99 (0.08) 4.95 (0.08)*CG 5.38 (0.07) 5.02 (0.06) 5.32 (0.07)HDL cholesterol, mmol/LIG1 1.29 (0.02) 1.22 (0.02) 1.27 (0.02)*IG2 1.27 (0.02) 1.20 (0.02) 1.26 (0.03)CG 1.27 (0.02) 1.17 (0.02) 1.28 (0.02)LDL cholesterol, mmol/LIG1 3.33 (0.06) 3.11 (0.06) 3.04 (0.07)*IG2 3.37 (0.06) 3.16 (0.06) 3.04 (0.08)*CG 3.35 (0.06) 3.16 (0.05) 3.41 (0.07)Triglycerides, mmol/LIG1 1.80 (0.06) 1.65 (0.05) 1.57 (0.07)IG2 1.85 (0.06) 1.55 (0.04) 1.61 (0.05)CG 1.81 (0.06) 1.67 (0.08) 1.57 (0.07)Blood pressure:Systolic blood pressure, mmHgIG1 124 (1) 121 (1) 123 (1)IG2 124 (1) 120 (1) 122 (1)CG 123 (1) 121 (1) 124 (1)Diastolic blood pressure, mmHgIG1 80 (1) 78 (1) 77 (1)*IG2 80 (1) 78 (1) 77 (1)CG 81 (1) 78 (1) 80 (1)Glucose tolerance:Fasting Serum Glucose, mmol/LIG1 5.62 (0.04) 5.59 (0.03) 5.68 (0.04)IG2 5.75 (0.06) 5.66 (0.04) 5.69 (0.04)CG 5.66 (0.04) 5.66 (0.04) 5.77 (0.48)
* p<0.05 for change from BL compared with placebo at 12 mo based on least squares means
IG1 n analyzed: 213 (ITT)IG2 n analyzed: 210 (ITT)CG n analyzed: 212 (ITT)
Note: 24 month data not abstracted because of high attrition
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Hill, 1999190
Fair
Mean (SE) at -6 mo, Mean change (SE) from -6 mo to BL and 12 mo -6 mo BL 12 moWeight/Relative weight:BMI, kg/m2
IG1 32.6 (0.2) -- --IG2 32.9 (0.2) -- --IG3 32.8 (0.2) -- --CG 32.8 (0.2) -- --Weight, kgIG1 89.3 (0.9) -10.06 (0.31) -5.15 (0.55)IG2 92.4 (0.9) -10.00 (0.29) -6.16 (0.49)IG3 89.7 (0.9) -9.86 (0.27) -7.24 (0.52)*CG 90.8 (0.9) -10.33 (0.31) -5.93 (0.69)Weight loss >5% maintained, percent (calc n)IG1 -- -- --IG2 -- -- --IG3 -- -- 61.8 (70)CG -- -- 49.8 (60)
Central adiposity:During 1 year treatment period waist circumferences increased slightly in all groups and the resulting mean reductions of 6-8 cmafter 1 yr of treatment were not significantly different between groups
Overall adiposity: NR
* p<0.001 for least-squares mean percentage regain compared with CG (table says also significant for 30 mg tid but text says only 120 mg)
Note: All reported data are observed rather than derived values, whereas the technique of LOCF was applied only for analyses of statistical significance.
IG1 n analyzed: 186 (-6 mo), 119 (BL, 12 mo)IG2 n analyzed: 171 (-6 mo), 116 (BL, 12 mo)IG3 n analyzed: 179 (-6 mo), 113 (BL, 12 mo)CG n analyzed: 184 (-6 mo), 121 (BL, 12 mo)
Mean change (SE) from -6 mo BL and 12 mo BL 12 moLipids:Total cholesterol, mmol/LIG1 -0.39 (0.05) -0.35 (0.08)*IG2 -0.46 (0.06) -0.50 (0.07)**IG3 -0.39 (0.05) -0.47 (0.07)**CG -0.45 (0.06) -0.28 (0.08)HDL cholesterol, mmol/LIG1 0.01 (0.04) 0.01 (0.08)IG2 0.03 (0.06) -0.04 (0.07)***IG3 0.01 (0.05) -0.03 (0.07)CG 0.01 (0.06) 0.01 (0.07)LDL cholesterol, mmol/LIG1 -0.28 (0.04) -0.38 (0.08)**IG2 -0.34 (0.06) -0.42 (0.07)***IG3 -0.24 (0.05) -0.29 (0.07)**CG -0.33 (0.06) -0.21 (0.07)Triacylglycerol, mmol/LIG1 -0.23 (0.05) -0.01 (0.08)IG2 -0.34 (0.06) -0.08 (0.08)†IG3 -0.29 (0.05) -0.27 (0.06)CG -0.29 (0.06) -0.15 (0.07)Blood pressure:Systolic blood pressure, mmHgIG1 -- -0.8 (1.1)IG2 -- -0.4 (1.2)IG3 -- -3.0 (1.3)CG -- -2.6 (1.2)Diastolic blood pressureAfter 12 mo of treatment, reductions in DBP ranged from 0.2-2.0 mmHg and did not differ significantly between groups.Glucose tolerance:Fasting glucose decreased slightly (0.02-0.1 mmol/L) in all groups during the 6 mo run-in. After 12 mo of treatment, mean increases of 1-2% above initial values were noted in CG and IG1 compared with slight (~1%) reductions in IG2 and IG3. (Assume not statistically significant, since no mention of statistical significance of results)
* p=0.007 for least-squares mean percentage change compared with CG** p=0.001*** p=0.006† p=0.041
IG1 n analyzed: 186 (BL), 96 (TC, LDL, 12 mo), 99 (HDL, TG, 12 mo), NR (SBP)IG2 n analyzed: 171 (BL), 87 (TC, LDL, 12 mo), 88 (HDL, TG, 12 mo), NR (SBP)IG3 n analyzed: 179 (BL), 87 (TC, LDL, 12 mo), 89 (HDL, TG, 12 mo), NR (SBP)CG n analyzed: 184 (BL), 102 (TC, LDL, 12 mo), 103 (HDL, TG, 12 mo), NR (SBP)
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Hollander, 1998191
Fair
Mean (SD) at BL, mean change (SE) at 12 mo BL 57 wkWeight/Relative weight:BMI, kg/m2
IG 34.5 (3.2) --CG 34.0 (3.4) --Weight, kgIG 99.6 (14.5) -6.19 (0.51)***CG 99.7 (15.4) -4.31 (0.57)≥5% weight loss, percent (calc n)IG -- 48.8*** (79)CG -- 22.6 (36)≥10% weight loss, percent (calc n)IG -- 17.9* (29)CG -- 8.8 (14)
Central adiposity:Waist circumference, cmIG -- -4.8 (0.5)CG -- -2.0 (0.5)**
Overall adiposity: NR
*** p<0.001 for IG vs CG** p<0.01 for IG vs CG* p<0.05 for IG vs CG
IG n analyzed: 162CG n analyzed: 159
Mean (SD) at BL, mean change (SEM) at 12 mo BL 52 wkLipids:Total cholesterol, mmol/lIG -- -0.08 (0.05)*CG -- 0.39 (0.06)LSM% difference from CG: -9.14HDL cholesterol, mmol/lIG -- 0.06 (0.01)CG -- 0.08 (0.01)LSM% difference from CG: -1.20LDL cholesterol, mmol/lIG -- -0.13 (0.05)*CG -- 0.22 (0.06)LSM% difference from CG: -12.79Triglycerides, mmol/lIG -- -0.01 (0.07)†CG -- 0.21 (0.08)LSM% difference from CG: -10.62Glucose tolerance:Hemoglobin A1c, %IG 8.05 (0.98) -0.28 (0.09)*CG 8.2 (1.07) 0.18 (0.11)Fasting glucose, mmol/lIG 8.85 (1.68) -0.02 (0.14)*CG 9.09 (1.87) 0.54 (0.15)Fasting plasma glucose ≥7.77mmol/l at BLIG -- -0.47 (0.19)*CG -- 0.36 (0.27)* p<0.001 for IG vs CG; †p=0.036IG n analyzed: 162 (total); NR (Fasting plasma glucose ≥7.77mmol/l at BL)CG n analyzed: 159 (total); NR (Fasting plasma glucose ≥7.77mmol/l at BL)
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Krempf, 2003193
Fair
Mean (SE) at BL, least squares means (SE) at 12 and 18 mo LOCF BL 12 mo 18 moWeight/Relative weight:BMI, kg/m2
IG 36.0 (0.3) -- -2.3 (0.3)**CG 36.2 (0.3) -- -1.0 (0.3)Weight, kgIG 97.0 (0.9) -6.3 (0.5)†† -5.3 (0.5)††CG 97.5 (0.9) -3.3 (0.5) -2.4 (0.5)≥5% weight loss, percent (calc n)IG -- 65.9*** (170) 58.3***CG -- 46.4 (102) 37.8≥10% weight loss, percentIG -- 32.9* (85) 33.6***CG -- 24.5 (54) 16.8
Central adiposity:Waist circumference, cmIG 105.6 (0.8) -- -5.3 (0.7)CG 106.5 (0.8) -- -6.5 (0.8)†
Overall adiposity: Body fat (kg + %) measured by impedancemeter monthly for 18 mo* p<0.05 for IG vs CG** p<0.001 for IG vs CG*** p<0.0001 for IG vs CG† p<0.05 for IG vs CG least squares mean difference†† p<0.0001 for IG vs CG least squares mean difference
IG n analyzed: 346, 258 (12 mo, 5 + 10% weight loss), 223 (18 mo, 5 + 10% weight loss only)CG n analyzed: 350, 220 (12 mo, 5 + 10% weight loss), 196 (18 mo, 5 + 10% weight loss)
Proportion of patients BL 18 moLipids:Total cholesterol reduced by ≥20%, percentIG -- 10.1CG -- 2.6LDL cholesterol reduced by ≥20%, percentIG -- 19.9CG -- 6.6
IG n analyzed: NRCG n analyzed: NR
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Lindgarde, 2000194
Swedish Multimorbidity Study
Fair
Mean (SD) at -2 wk, Mean change (SD) from -2 wk at BL and 12 mo -2 wk BL 12 moWeight/Relative weight:BMI, kg/m2
IG 33.2 (3.0) -- --CG 33.2 (3.1) -- --Weight, kgTotalIG 96.1 (13.7) -- -5.6 (5.2)*CG 95.9 (13.5) -- -4.3 (5.9)Weight, percentPatients with type 2 diabetesIG -- -- 5.4 (4.6)*CG -- -- 3.5 (4.2)≥5% weight loss, percent (calc n)TotalIG -- -- 54.2 (103)**CG -- -- 40.9 (76)Patients with type 2 diabetesIG -- -- 57.4 (--)*CG -- -- 34.1 (--)≥10% weight loss, percent (calc n)IG -- -- 19.2 (36)CG -- -- 14.6 (27)
Central adiposity:Waist circumference, cmIG 106 (10.8) -- -4.8 (--)CG 106 (11.0) -- -4.1 (--)
Overall adiposity: NR
* p<0.05 for IG v. CG
IG n analyzed: 190 (total); 54 (type 2 diabetes);CG n analyzed: 186 (total); 44 (type 2 diabetes)
Mean (SD) at -2 wk, Mean change (SD) at BL and 12 mo (except HbA1c) -2 wk BL 12 moLipids:Total cholesterol, mmol/LIG 6.15 (1.21) -0.27 (0.64) -0.24 (0.83)*CG 6.06 (1.19) -0.35 (0.62) -0.09 (0.82)LDL cholesterol, mmol/LIG 3.75 (1.38) -0.03 (1.14) -0.25 (1.12)*CG 3.66 (1.41) -0.14 (0.88) -0.07 (0.98)HDL cholesterol, mmol/LIG -- -0.03 (0.19) 0.00 (0.22)CG -- -0.06 (0.19) 0.02 (0.20)Triglycerides, mmol/LIG -- -0.22 (1.11) -0.04 (1.16)CG -- -0.19 (0.95) -0.15 (0.93)Improvements in LDL and TC were greater in IG vs CG for patients with type 2 diabetes, though not significant (-4.3% vs. -1.0% and 10.4% vs. -3.9%)Blood pressure:Systolic blood pressure, mmHgIG 146 (19) -4.4 (13.5) -4.9 (17.7)CG 145 (17) -3.2 (12.3) -4.1 (15.7)Diastolic blood pressure, mmHgIG 87 (10) -1.6 (6.69) -2.5 (8.9)CG 88 (10) -1.6 (8.1) -2.9 (9.2)Glucose tolerance:Hemoglobin A1c, percentTotalIG -- 5.7 (1.2) -0.25 (0.78)*CG -- 5.5 (0.9) -0.05 (0.51)Patients with type 2 diabetesIG -- -- -0.65 (--)*CG -- -- -0.14 (--)Fasting glucose, mmol/LTotalIG 6.62 (2.53) -0.09 (1.02) -0.55 (1.65)**CG 6.35 (1.96) -0.17 (0.86) -0.09 (1.19)Patients with type 2 diabetesIG -- -- -1.63 (--)**CG -- -- 0.28 (--)convert to mg/dL: 0.55=9.9; 0.09=1.6; 1.63=29.4; 0.28=5.0
** p<0.01 for between-group difference in change from -2 wk* p<0.05
IG n analyzed: 190 (total); 54 (type 2 diabetes)CG n analyzed: 186 (total); 44 (type 2 diabetes)
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Miles, 2002197
Fair
Mean (SE) at BL, Mean change (SE) at 12 mo BL 12 moWeight/Relative weight:BMI, kg/m2
IG -- --CG -- --Weight, kgIG 102.1 (1.1) -4.7 (0.3)**CG 101.1 (1.0) -1.8 (0.3)≥5% weight loss, percent (calc n)IG -- 39.0* (98)CG -- 15.7 (40)≥10% weight loss, percentIG -- 14.1* (35)CG -- 3.9 (10)
Central adiposity: NR
Overall adiposity: NR
* p<0.01 for IG versus CG** p<0.0001 for difference in change between IG and CG
IG n analyzed: 250CG n analyzed: 254
Mean (SE) BL 12 moLipids:Total cholesterol, mmol/LIG 5.40 (0.06) 5.13 (0.06)*CG 5.40 (0.06) 5.46 (0.07)HDL cholesterol, mmol/LIG 0.98 (0.02) 1.07 (0.02)CG 0.98 (0.02) 1.08 (0.02)LDL cholesterol, mmol/LIG 3.14 (0.06) 2.89 (0.06)*CG 3.23 (0.06) 3.18 (0.07)Triglycerides, mmol/LIG 2.81 (0.11) 2.56 (0.11)CG 2.63 (0.09) 2.66 (0.13)Blood pressure:Systolic blood pressure, mmHgIG 132.7 (0.9) 130.6 (0.9)*CG 132.1 (0.9) 131.8 (0.9)Mean (SE) at BL, Mean change (SE) at 12 moGlucose tolerance:Fasting glucose, mmol/LIG 11.6 (0.2) -2.0 (0.2)*CG 11.1 (0.2) -0.7 (0.2)Hemoglobin A1c, percentIG 8.87 (0.07) 0.75 (--)CG 8.79 (0.07) 0.41 (--)*p<0.05 for difference in change between IG and CGIG n analyzed: 250; CG n analyzed: 254
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Richelsen, 2007198
Fair
Mean (range) -2 moWeight/Relative weight:BMI, kg/m2
IG 37.4 (30.1-45.2)CG 37.6 (30.0-45.0) -2 mo BL 18 mo 36 moMean (SD) at BL, Mean change at 18, 36 moWeight, kgIG 110.7 (17.9) -14.5 -11.7 -9.4†CG 111.9 (16.0) -14.3 -9.6 -7.2 12 mo 36 mo≥5% weight loss, percent (calc n)IG 85** (130) 67*CG 72 (112) 56≥10% weight loss, percentIG -- -- -- -- 34CG -- -- -- -- 29Mean (SD) at -2 mo, Mean change at BL, 18, 36 moCentral adiposity: -2 mo BL 18 mo 36 moWaist circumference, cmIG 119 (12.1) -12 -12 -7.7†CG 119 (10.9) -12 -9 -5.4* p<0.05 for absolute changes between IG and CG**p<0.001 for IG vs CG† p<0.05 for absolute changes between IG and CG after 36 moIG n analyzed: 153 (ITT, LOCF)CG n analyzed: 156 (ITT, LOCF)
Mean (SD) at BL, Mean change at 18, 36 mo -2 mo BL 18 mo 36 moLipids:Total cholesterol, mmol/LIG 5.91 (1.26) -1.2 -0.36 -0.46CG 6.02 (1.08) -1.2 -0.13 -0.46HDL cholesterol, mmol/LIG 1.13 (0.26) -0.05 0.06 0.04CG 1.15 (0.26) -0.07 0.11 0.06LDL cholesterol, mmol/LIG 3.71 (1.04) -0.75 -0.29 -0.34CG 3.77 (0.94) -0.80 -0.12 -0.38Triglycerides, mmol/LIG 2.36 (1.24) -0.89 -0.32 -0.38CG 2.50 (1.41) -0.94 -0.34 -0.43Blood pressure:Systolic blood pressure, mmHgIG 144 (19.3) -13 -8.2 -7.8CG 144 (17.3) -12 -7.2 -8.2Diastolic blood pressure, mmHgIG 90.8 (11.6) -7.2 -5.1 -3.7CG 90.7 (10.4) -7.6 -4.8 -4.7Glucose tolerance:Hemoglobin A1c, percentIG 6.32 (0.93) -0.54 -0.43 -0.69CG 6.28 (0.64) -0.48 -0.34 -0.51Fasting glucose, mmol/LIG 6.44 (1.83) -1.1 -0.67 -0.49CG 6.27 (1.54) -0.95 -0.45 -0.32IG n analyzed: 153 (ITT, LOCF); CG n analyzed: 156 (ITT, LOCF)
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Rossner, 2000199
Fair
Mean (SD) at BL, Mean change (SD) from Week -4 to 12 and 24 months BL 12 mo 24 moWeight/Relative weight:BMI, kg/m2
IG1 35.2 (3.9) -- --IG2 34.7 (3.7) -- --CG 35.3 (4.1) -- --Weight, kgIG1 99.1 (14.3) -8.5 (7.3)** -6.6 (8.3)*IG2 96.7 (13.8) -9.4 (6.4)** -7.4 (7.1)**CG 97.7 (14.6) -6.4 (6.7) -4.3 (7.4)
Percent≥10% weight loss, percent (calc n)IG1 -- 31.2**IG2 -- 38.3** (93)CG -- 18.8 (45)Significantly more IG2 patients lost more than 5% of their body weight after 1 and 2 years of treatment than CG patients (p<0.001).
Mean (SD) at BL, Mean change (SD) from Week -4 to 12 moCentral adiposity:Waist circumference, cmIG1 -- -6.0IG2 -- -6.2CG -- -4.7
Overall adiposity: NR* p<0.01 derived from least squares mean differences for IG versus CG** p<0.001 derived from least squares mean differences for IG versus CG† p<0.005 for IG versus CG
IG1 n analyzed: 239†IG2 n analyzed: 242†CG n analyzed: 237†† The methods report that an additional 2 participants were not included in the ITT analysis, but they do not report what groups they were from (IG1, IG2, or CG)Note: Completer analysis availableMA: Only include 12-mo outcomes in MA
Mean (SD) at BL, 12, 24 monthsBL 12 mo 24 mo
Lipids:Total cholesterol, mmol/LIG1 5.39 (1.10) 5.15 (1.17)** 5.42 (1.06)**IG2 5.26 (0.97) 4.91 (0.93)** 5.29 (0.96)**CG 5.43 (1.14) 5.38 (1.04) 5.74 (1.04)HDL cholesterol, mmol/LIG1 1.13 (0.31) 1.26 (0.33) 1.29 (0.36)IG2 1.17 (0.30) 1.25 (0.30)* 1.29 (0.32)CG 1.17 (0.36) 1.32 (0.35) 1.33 (0.34)LDL cholesterol, mmol/LIG1 3.49 (0.86) 3.18 (0.82)** 3.42 (0.85)**IG2 3.44 (0.86) 3.11 (0.78)** 3.48 (0.87)**CG 3.55 (0.98) 3.49 (0.92) 3.83 (0.91)Triglycerides, mmol/LIG1 1.75 (1.46) 1.77 (1.95) 1.89 (1.83)IG2 1.53 (0.97) 1.44 (0.91) 1.43 (0.85)CG 1.58 (0.89) 1.50 (0.79) 1.53 (0.81)Blood pressure:Systolic blood pressure, mmHgIG1 128.4 (14.5) 125.7 (15.9) 129.6 (16.7)IG2 125.5 (14.9) 122.8 (16.0) 124.9 (16.5)CG 127.3 (16.1) 125.4 (18.6) 128.5 (17.5)Diastolic blood pressure, mmHgIG1 81.5 (10.3) 79.5 (10.0) 81.7 (10.3)IG2 79.5 (9.4) 78.6 (10.2)* 79.9 (9.5)CG 81.2 (9.8) 79.9 (11.0) 81.2 (9.9)Glucose tolerance:Fasting glucose, mmol/LIG1 5.62 (1.06) 5.57 (0.96)* 5.57 (1.18)IG2 5.47 (0.68) 5.48 (0.86)* 5.51 (1.29)CG 5.56 (0.95) 5.66 (1.01) 5.54 (0.68)** p<0.001* p<0.05
IG1 n analyzed: 239†IG2 n analyzed: 242†CG n analyzed: 237†† The methods report that an additional 2 participants were not included in the ITT analysis, but they do not report what groups they were from (IG1, IG2, or CG)
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Sjostrom, 1998200
Fair
Mean (range) at BL, Mean change at 12 mo BL 12 moWeight/Relative weight:BMI, kg/m2
IG 36.0 (28.3-47.2) --CG 36.1 (29.2-43.5) --Weight, kgIG 99.1 (61.0-148.6) -10.3*†CG 99.8 (64.2-137.2) -6.1
Percent>5% weight loss, percent (calc) (calc n)IG -- 68.5 (235)CG -- 49.2 (167)>10% weight loss, percent (calc)IG -- 38.8 (133)CG -- 17.7 (60)Statistical significance not reported for 5, 10% weight loss.
Mean (range) at BL, Mean change at 12 moCentral adiposity:Waist circumference, cmIG 105.4 (70-149) --CG 105.9 (71-135) --
Overall adiposity: NR
* p<0.001 for LSM weight loss difference from randomization (3.9 kg)† Note: change in weight at 12 months is from the start of the 4 week run-in period. The results at baseline are from randomization (4 weeks after the start of the run-in period).
IG n analyzed: 343CG n analyzed: 340
LSM (SE) BL 12 moLipids:Total cholesterol, mmol/LIG 5.39 (0.03) 5.31 (0.04)***CG 5.36 (0.03) 5.59 (0.04)HDL cholesterol, mmol/LIG 1.15 (0.01) 1.25 (0.01)CG 1.16 (0.01) 1.26 (0.01)LDL cholesterol, mmol/LIG 3.55 (0.03) 3.46 (0.03)***CG 3.55 (0.03) 3.68 (0.03)Triglycerides, mmol/LIG 1.60 (0.05) 1.53 (0.04)CG 1.53 (0.05) 1.59 (0.04)
Blood pressure:Systolic blood pressure, mmHgIG 129 (0.60) 127 (0.70)CG 128 (0.60) 129 (0.71)Diastolic blood pressure, mmHgIG 82.4 (0.40) 80.3 (0.43)**CG 81.9 (0.40) 82.1 (0.43)
Glucose tolerance:Fasting blood glucose, mmol/LIG 5.84 (0.03) 5.63 (0.04)*CG 5.83 (0.03) 5.77 (0.04)
*** p<0.0001** p=0.0022* p=0.0098
IG n analyzed: 343 (BL, 12 mo)CG n analyzed: 340 (BL, 12 mo)
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Swinburn, 2005201
Fair
Mean (SD) at BL, Mean change (SD) from BL at 12 moBL 12 mo
Weight/Relative weight:BMI, kg/m2
IG 37.6 (5.1) --CG 38.0 (4.9) --Weight, kgIG 103.3 (17.8) -4.7 (7.7)*CG 106.9 (17.8) -0.9 (4.2)
Central adiposity:Waist circumference, cmIG 112.4 (12.8) -5.1 (7.0)*CG 114.8 (13.1) -1.9 (4.2)
Overall adiposity: NR
* p=0.001
IG n analyzed: 170CG n analyzed: 169
Mean (SD) at BL, Mean change (SD) from BL at 12 moBL 12 mo
Lipids:Serum total cholesterol, mmol/LIG 5.66 (1.10) -0.08 (0.73)*CG 5.53 (0.95) 0.16 (0.68)Serum HDL cholesterol, mmol/LIG 1.16 (0.28) 0.04 (0.18)CG 1.14 (0.33) 0.08 (0.19)Serum LDL cholesterol, mmol/LIG 3.58 (0.99) -0.12 (0.65)*CG 3.47 (0.84) 0.11 (0.62)Serum Triglycerides, mmol/LIG 1.78 (0.78) 0.01 (0.73)CG 1.87 (0.91) -0.06 (0.57)
Blood pressure:Systolic blood pressure, mmHgIG 137.3 (15.7) -4.05 (13.0)**CG 136.0 (15.2) -0.51 (14.7)Diastolic blood pressure, mmHgIG 84.0 (9.9) -2.96 (8.01)CG 84.5 (9.0) -1.37 (8.59)
Glucose tolerance:Glycated hemoglobin, percentIG 6.15 (1.28) -0.04 (0.60)***CG 6.01 (1.18) 0.15 (0.60)Serum glucose (fasting), mmol/LIG 6.66 (2.62) -0.19 (1.13)***CG 6.29 (1.78) 0.29 (1.42)
Median at BL, Mean change (SD) from BL at 12 mo10-year risk of CVD, percentIG 8.9 -0.01 (0.03)CG 10.6 0.00 (0.03)
* p<0.01**p<0.05***p=0.001
IG n analyzed: 170CG n analyzed: 169
Note: Blood tests were fasting
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Torgerson, 2004202
Torgerson, 2001291
XENDOS
Fair
Mean (SD) at BL, mean change at 1 and 4 years BL 12 mo Weight/Relative weight:BMI, kg/m2
IG 37.3 (4.2) --CG 37.4 (4.5) --Weight, kgIG 110.4 (16.3) -10.6*CG 110.6 (16.5) -6.2
LSM difference≥5% weight loss, percent (calc n)IG -- 72.8* (1194)CG -- 45.1 (738)≥10% weight loss, percentIG -- 41.0* (672)CG -- 20.8 (340)
Central adiposity:Waist circumference, cmIG 115.0 (10.4 -9.6**CG 115.4 (10.4) -7.0
Overall adiposity: NR
* p<0.001 for IG vs CG** p<0.01 for IG vs CG
IG n analyzed: 1640CG n analyzed: 1637
Mean (SD) at BL, mean change at 1 and 4 yrs for waist circumference, blood pressure, and glucose tolerance, % mean change at 1 and 4 yrs for others
BL 12 mo Lipids:Total cholesterol, mmol/lIG 5.8 (1.0) -8.8*CG 5.8 (1.0) -1.3HDL cholesterol, mmol/lIG 1.2 (0.3) 3.4*CG 1.2 (0.3) 8.5LDL cholesterol, mmol/lIG 3.7 (0.9) -11.4*CG 3.8 (0.9) -1.6Triglycerides, mmol/lIG 1.9 (1.0) -6.2**CG 1.9 (1.2) -6.3Blood pressure:Systolic blood pressure, mmHgIG 130.8 (15.8) -7.3*CG 130.4 (15.4) -5.2Diastolic blood pressure, mmHgIG 82.0 (10.0) -3.6*CG 82.3 (10.0) -2.6Glucose tolerance:Fasting glucose, mmol/lIG 4.6 (0.6) 0.1*CG 4.6 (0.6) 0.2Note: 4 year data not presented because of high attrition *p<0.01 for IG vs CG**p<0.05 for IG vs CGIG n analyzed: 1640 (BL), 1487 (1 yr)CG n analyzed: 1637 (BL), 1295 (1 yr)
Metformin TrialsFontbonne, 1996185
BIGPRO
Fair
Geometric mean (95% tolerance limit) at BL, Mean change (95% CI) at 12 mo BL 12 moWeight/Relative weight:BMI, kg/m2
IG 33.3 (24.6, 45.1) --CG 33.0 (24.0, 45.4) --Weight, kgIG -- -2.0 (-3.0, -1.1)CG -- -0.8 (-1.6, 0.1)
Central adiposity: NR
Overall adiposity: NR
IG n analyzed: 164CG n analyzed: 160
Arithmetic (SD) mean or geometric mean (95% tolerance limit) at BL, Mean change (95% CI) at 12 mo BL 12 moLipids:Total cholesterol, mmol/LIG 5.7 (1.0) 0.05 (-0.08, 0.18)CG 5.4 (1.1) 0.21 (0.08, 0.33)HDL cholesterol, mmol/LIG 1.1 (0.3) 0.05 (-0.02, 0.10)CG 1.1 (0.3) 0.10 (0.05, 0.16)LDL cholesterol, mmol/LIG 3.6 (0.8) -0.02 (-0.15, 0.08)CG 3.4 (1.0) 0.10 (0.0, 0.21)Triglycerides, mmol/LIG 1.6 (0.7, 3.4) 0.10 (-0.01, 0.22)CG 1.6 (0.7, 3.5) -0.02 (-0.15, 0.11)
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
(continued)Fontbonne, 1996185
BIGPRO
Fair
Blood pressure:Systolic blood pressure, mmHgIG 134 (16) -0.88 (-3.63, 1.88)CG 133 (17) -1.88 (-4.56, 0.79)Diastolic blood pressure, mmHgIG 81 (10) -0.89 (-2.66, 0.89)CG 82 (11) -1.50 (-3.59, 0.66)Glucose tolerance:Fasting glucose, mmol/LTotalIG 5.3 (0.8) 0.2 (0.05, 0.4)*CG 5.2 (0.6) 0.4 (0.3, 0.6)Normal glucose toleranceIG 5.2 (0.7)* 0.3 (0.2, 0.4)*CG 5.1 (0.6) 0.3 (0.2, 0.5)Abnormal glucose toleranceIG 6.0 (0.9)* -0.3 (-0.9, 0.2)*CG 5.6 (0.8) 0.8 (0.1, 1.5)* p<0.05 for two-tailed t-testIG n analyzed: 164 (total); 171 (NGT); 49 (abnormal glucose tolerance)CG n analyzed: 160 (total); 175 (NGT); 47 (abnormal glucose tolerance)
Gambineri, 2006186
Fair
Mean (SD) BL 7 mo 13 mo†Weight/Relative weight:BMI, kg/m2
IG 35 (4) 33 (5)* 33 (5)**CG 37 (5) 35 (5)* 35 (5)***Weight, kgIG 92 (13) 88 (14)* 88 (13)**CG 97 (16) 93 (16)* 92 (16)***
Central adiposity:Waist circumference, cmIG 100 (10) 96 (11)*** 95 (10)***CG 102 (10) 98 (11)*** 98 (10)***
Overall adiposity: Total adipose tissue area, Sc adipose tissue area, Visceral adipose tissue area, Sc-to-visceral adipose tissue area ratio
* p<0.05 for comparison between baseline and followup within group** p<0.01 for comparison between baseline and followup within group*** p<0.001 for comparison between baseline and followup within group† 12 months of medication/13 months of diet
IG n analyzed: 20CG n analyzed: 19
Mean (SD) BL 7 mo 13 moLipids:HDL cholesterol, mg/dLIG 45 (8) 45 (8) 50 (10)**CG 47 (10) 47 (11) 53 (11)**LDL cholesterol, mg/dLIG 113 (34) 104 (34) 99 (37)**CG 117 (23) 119 (53) 109 (33)Triglycerides, mg/dLIG 108 (57) 97 (36) 83 (52)CG 114 (68) 101 (65) 113 (58)
Blood pressure: NR
Glucose tolerance:Fasting glucose, mg/dLIG 92 (9) 91 (9) 91 (9)CG 89 (11) 89 (10) 88 (9)
** p<0.01 for comparison between baseline and followup within group
IG n analyzed: 20CG n analyzed: 19
Study ReferenceQuality Rating
Anthropomorphic Measures Other Intermediate Outcomes(Lipids, Glucose Tolerance, Blood Pressure)
Diabetes Prevention Program Research Group, 1999142
Haffner, 2005212
Orchard, 2005262
Diabetes Prevention Program Research Group, 2006210
Ratner, 2005207
Knowler, 2002206
West, 2008214
Rubin, 2005205
Ackermann, 2009211
Diabetes Prevention Program
Good
Mean (SD) at BL (median (IQR) for age groups at BL), mean change (SE) at 12 mo, mean change (NR) at 30 mo and 2.8 yrs, mean change (SE) at 36 mo
BL 12 mo 30 mo 2.8 yr Weight/Relative weight:BMI, kg/m2
IG 33.9 (6.6) -0.97 (0.06)* -- --CG 34.2 (6.7) -0.15 (0.06) -- --Weight, kgTotalIG 94.3 (19.9) -2.72 (0.17)* -1.59 (5.98) -2.1 (--)CG 94.3 (20.2) -0.42 (0.17) -- -0.1 (--)
BL 36 mo†† 25-44 yearsIG 95.0 (28.0) -1.5 (0.3)CG 95.5 (29.3) 0.5 (0.3)45-59 yearsIG 92.2 (26.6) -1.7 (0.2)CG 91.5 (27.1) 0.1 (0.2)60-85 yearsIG 86.4 (19.0) -2.7 (0.3)CG 87.8 (21.8) -0.2 (0.3)
Central adiposity:BL 12 mo
Waist circumference, cmTotalIG 104.9 (14.4) -2.23 (0.19)*CG 105.2 (14.3) -0.69 (0.19) BL45-59 yearsIG 104.0 (19.7) -1.7 (0.3)CG 103.5 (19.6) -0.5 (0.2)60-85 yearsIG 103.7 (14.1) -2.8 (0.3)CG 103.0 (17.8) -0.4 (0.3)
Overall adiposity: Body fat measurement (visceral L2-L3,visceral L4-L5, subcutaneous L2-L3, subcutaneousL4-L5) (for subsample, n=758, 68.5%)
* p<0.001 for mean difference between IG-M vs IG-L vs CG†† Assumed
IG n analyzed: 1073 (BL, 12 mo, 36 mo); 985 (30 mo); NR (2.8 yr)CG n analyzed: 1082 (BL, 12 mo, 36 mo); NR (2.8 yr)
Mean (SD) at BL, % change at 36 mo for total and LDL cholesterol, mean change (SE) at 12, 24, and 36 months all other outcomes
BL 12 mo 24 mo 36 mo†† Lipids:Total cholesterol, mmol/lIG 5.3$ -- -- -0.9*CG 5.3$ -- -- -1.2HDL cholesterol, mmol/lIG -- -- -- -0.008**CG -- -- -- -0.002LDL cholesterol, mmol/lIG 3.2$ -- -- -0.3*CG 3.2$ -- -- -1.3Triglycerides, mmol/lIG -- -- -- -0.08CG -- -- -- -0.13Other measures: % with high TG levels or receiving treatment for high triglyceride levels; % with low HDL level
Blood pressure:Systolic blood pressure, mmHgIG 124.0 (14.9) -0.91 (0.4)*** -0.94 (0.4)*** -0.29 (0.5)***CG 123.5 (14.4) -0.90 (0.4) -0.52 (0.4) -0.57 (0.5)Diastolic blood pressure, mmHgIG 78.2 (9.5) -1.26 (0.2)*** -1.06 (0.2)*** -1.59 (0.3)***CG 78.0 (9.2) -0.89 (0.2) -1.07 (0.2) -1.88 (0.3)Other measures: %high blood pressure or receiving treatment for high blood pressure
Glucose tolerance:Fasting glucose, mg/dlIG 106.5 (8.3) -4.18 (0.36)† -- --CG 106.7 (8.4) 0.63 (0.36) -- --Other measures: HOMA-IR (1135); % with high fasting plasma glucose level; Metabolic syndrome incidence (1139)
$average of all groups together (assumed)*p=NS for IG vs CG**p=0.002 for IG vs CG***p<.001 vs placebo for changes in mean over time for both IG vs CG† p<0.001 for mean difference between IG-M vs IG-L vs CG†† Assumed
IG n analyzed: 1073 (BP at 12 mo: 1017)CG n analyzed: 1082 (BP at 12 mo: 1027)